Sign



FIG. 1 is a perspective view showing our new design for a sign;

FIG. 2 is a front elevational view thereof showing an environment thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a back elevational view thereof;

FIG. 5 is a right elevational view thereof;

FIG. 6 is a left elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The phantom lines in FIG. 2 illustrate an environment of our sign, and form no part of the claimed design. 

The ornamental design for sign, as shown and described. 